Isobars
Isobars are atoms or nuclei which have the same number of nucleons. In other words, they have the same atomic mass. The term was coined in 1918 by Alfred Walter …
Chemistry
Gattermann Koch Reaction
Gattermann Koch Reaction involves formylation (addition of Aldehyde group) of an aromatic compound with the help of formyl chloride (produced by Carbon Monoxide and HCl) and Lewis Catalysts. The reaction …
Difference Between SN1 and SN2 Reactions
SN1 and SN2 reactions are two kinds of organic reactions. Specifically, they are “Nucleophilic Substitution Reactions”. We are going to discuss the terminology involved here and find out the difference …
Cannizzaro Reaction
Cannizzaro Reaction is a chemical reaction that involves the base-induced disproportionation of two molecules of a non-enolizable aldehyde to give primary alcohol and carboxylic acid. History This reaction was first …
Clemmensen Reduction
The Clemmensen reduction is a chemical reaction that allows the reduction of ketones to alkanes using zinc amalgam and concentrated hydrochloric acid. This reaction is named after Danish chemist, Erik …
Newlands Law of Octaves
Newlands’ Law of Octaves is an early attempt to classify elements based on periodic properties. It set the stage for later, more complete methods like Mendeleev’s and the Modern Periodic …
Difference Between Mixture and Compound
Mixture and compound are common concepts in chemistry. It is important to know their difference in order to be able to distinguish them. A Video Reference The table below tells …
Lindlar Catalyst
Lindlar catalyst is basically palladium deposited on calcium carbonate or barium sulfate, poisoned with various forms of lead and sulfur. It is a heterogeneous catalyst. Lindlar catalyst is named after …
Isotones
Atoms are the smallest unit of matter forming a chemical element. Each atom is composed of a nucleus and several electrons bound to the nucleus. A number of neutrons and …
Phenolphthalein
Phenolphthalein also abbreviated as phph is an organic compound used in acid-base titration as an indicator. This is because of the variation in colours with respect to the change in …